Added Replace Column By Expression

git-svn-id: https://svn.d4science.research-infrastructures.eu/gcube/trunk/portlets/user/tabular-data-expression-widget@99819 82a268e6-3cf1-43bd-a215-b396298e98cf

.settings/com.google.gdt.eclipse.core.prefs

@@ -1,5 +1,5 @@
 eclipse.preferences.version=1
 jarsExcludedFromWebInfLib=
-lastWarOutDir=/home/giancarlo/workspace/tabular-data-expression-widget/target/tabular-data-expression-widget-1.0.0-SNAPSHOT
+lastWarOutDir=/home/giancarlo/workspace/tabular-data-expression-widget/target/tabular-data-expression-widget-1.3.0-SNAPSHOT
 warSrcDir=src/main/webapp
 warSrcDirIsOutput=false

.settings/org.eclipse.wst.validation.prefs

@@ -0,0 +1,2 @@
+disabled=06target
+eclipse.preferences.version=1

pom.xml

@@ -45,9 +45,9 @@
 
 		<!-- Convenience property to set the GWT version -->
 		<gwtVersion>2.5.1</gwtVersion>
-	
+
 		<KEYS>${env.KEYS}</KEYS>
-		
+
 		<!-- GWT needs at least java 1.5 -->
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 		<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
@@ -70,6 +70,17 @@
 					<version>1.0.1</version>
 					<scope>runtime</scope>
 				</dependency>
+				<dependency>
+					<groupId>org.gcube.common</groupId>
+					<artifactId>home-library</artifactId>
+					<scope>compile</scope>
+				</dependency>
+				<dependency>
+					<groupId>org.gcube.core</groupId>
+					<artifactId>common-scope-maps</artifactId>
+					<version>[1.0.2-SNAPSHOT,2.0.0-SNAPSHOT)</version>
+					<scope>compile</scope>
+				</dependency>
 			</dependencies>
 		</profile>
 	</profiles>
@@ -133,7 +144,7 @@
 			<version>[1.0.0-SNAPSHOT,2.0.0-SNAPSHOT)</version>
 			<scope>provided</scope>
 		</dependency>
-		
+
 		<!-- tabular-data-monitor-widget -->
 		<dependency>
 			<groupId>org.gcube.portlets.user</groupId>

src/main/java/org/gcube/portlets/user/td/expressionwidget/client/ExpressionWidgetEntry.java

@@ -21,6 +21,8 @@ public class ExpressionWidgetEntry  implements EntryPoint  {
 	
 	public void onModuleLoad() {
 		EventBus eventBus= new SimpleEventBus();
+		TRId trId=new TRId("154","1610");
+		String columnName="zwqvvx";
 		
 		//Column Expression Dialog 
 		//ColumnExpressionDialog expressionDialog=new ColumnExpressionDialog("1", ColumnTypeCode.ATTRIBUTE, ColumnDataType.Integer, eventBus);
@@ -29,14 +31,16 @@ public class ExpressionWidgetEntry  implements EntryPoint  {
 		
 		//Column Filter Dialog
 		//id=2, tableId=8, tableType=Generic
-		TRId trId=new TRId("2","8");
+		//ColumnFilterDialog columnFilterDialog=new ColumnFilterDialog(trId, columnName, eventBus);
-		String columnName="twkvwc";
+		//columnFilterDialog.show();
-		ColumnFilterDialog columnFilterDialog=new ColumnFilterDialog(trId, columnName, eventBus);
-		columnFilterDialog.show();
 		
 		//Multi Column Filter Dialog
-		MultiColumnFilterDialog multiColumnFilterDialog= new MultiColumnFilterDialog(trId, eventBus);
+		//MultiColumnFilterDialog multiColumnFilterDialog= new MultiColumnFilterDialog(trId, eventBus);
-		multiColumnFilterDialog.show();
+		//multiColumnFilterDialog.show();
+	
+		//Replace Column By Expression Dialog
+		ReplaceColumnByExpressionDialog replaceColumnByExpression= new ReplaceColumnByExpressionDialog(trId, columnName, eventBus);
+		replaceColumnByExpression.show();
 		
 		Log.info("Hello!");
 	}

src/main/java/org/gcube/portlets/user/td/expressionwidget/client/ReplaceColumnByExpressionDialog.java

@@ -0,0 +1,247 @@
+package org.gcube.portlets.user.td.expressionwidget.client;
+
+import org.gcube.portlets.user.td.expressionwidget.client.resources.ExpressionResources;
+import org.gcube.portlets.user.td.expressionwidget.client.rpc.ExpressionServiceAsync;
+import org.gcube.portlets.user.td.expressionwidget.client.utils.UtilsGXT3;
+import org.gcube.portlets.user.td.gwtservice.client.rpc.TDGWTServiceAsync;
+import org.gcube.portlets.user.td.gwtservice.shared.exception.TDGWTSessionExpiredException;
+import org.gcube.portlets.user.td.gwtservice.shared.tr.ColumnData;
+import org.gcube.portlets.user.td.gwtservice.shared.tr.column.ReplaceColumnByExpressionSession;
+import org.gcube.portlets.user.td.monitorwidget.client.MonitorDialog;
+import org.gcube.portlets.user.td.monitorwidget.client.MonitorDialogListener;
+import org.gcube.portlets.user.td.widgetcommonevent.client.event.ChangeTableRequestEvent;
+import org.gcube.portlets.user.td.widgetcommonevent.client.event.SessionExpiredEvent;
+import org.gcube.portlets.user.td.widgetcommonevent.client.type.ChangeTableRequestType;
+import org.gcube.portlets.user.td.widgetcommonevent.client.type.ChangeTableWhy;
+import org.gcube.portlets.user.td.widgetcommonevent.client.type.SessionExpiredType;
+import org.gcube.portlets.user.td.widgetcommonevent.shared.TRId;
+import org.gcube.portlets.user.td.widgetcommonevent.shared.expression.C_Expression;
+import org.gcube.portlets.user.td.widgetcommonevent.shared.tr.column.ColumnDataType;
+import org.gcube.portlets.user.td.widgetcommonevent.shared.tr.column.ColumnTypeCode;
+
+import com.allen_sauer.gwt.log.client.Log;
+import com.google.gwt.user.client.rpc.AsyncCallback;
+import com.google.gwt.user.client.ui.HTML;
+import com.google.web.bindery.event.shared.EventBus;
+import com.sencha.gxt.widget.core.client.Window;
+import com.sencha.gxt.widget.core.client.event.SelectEvent;
+import com.sencha.gxt.widget.core.client.event.SelectEvent.SelectHandler;
+
+/**
+ * 
+ * @author "Giancarlo Panichi" <a
+ *         href="mailto:g.panichi@isti.cnr.it">g.panichi@isti.cnr.it</a>
+ * 
+ */
+public class ReplaceColumnByExpressionDialog extends Window implements MonitorDialogListener {
+	protected String WIDTH = "660px";
+	protected String HEIGHT = "400px";
+	protected ReplaceColumnByExpressionPanel replaceColumnByExpressionPanel;
+	protected C_Expression exp = null;
+	protected String replaceValue;
+	protected ColumnData column = null;
+	protected TRId trId;
+	protected String columnName = null;
+	protected EventBus eventBus;
+	private ReplaceColumnByExpressionSession replaceColumnByExpressionSession;
+
+	public ReplaceColumnByExpressionDialog(String columnId, ColumnTypeCode columnTypeCode,
+			ColumnDataType dataTypeName, EventBus eventBus) {
+		initWindow();
+		this.eventBus = eventBus;
+		column = new ColumnData();
+		column.setColumnId(columnId);
+		column.setDataTypeName(dataTypeName.toString());
+		column.setTypeCode(columnTypeCode.toString());
+		create();
+
+	}
+
+	public ReplaceColumnByExpressionDialog(TRId trId, String columnName, EventBus eventBus) {
+		initWindow();
+		this.eventBus = eventBus;
+		this.trId = trId;
+		this.columnName = columnName;
+		load(trId, columnName);
+
+	}
+
+	protected void initWindow() {
+		setWidth(WIDTH);
+		setHeight(HEIGHT);
+		setBodyBorder(false);
+		setResizable(false);
+		setHeadingText("Replace Column By Expression");
+		setClosable(true);
+		getHeader().setIcon(ExpressionResources.INSTANCE.columnReplaceByExpression());
+
+	}
+
+	/**
+	 * {@inheritDoc}
+	 */
+	@Override
+	protected void initTools() {
+		super.initTools();
+
+		closeBtn.addSelectHandler(new SelectHandler() {
+
+			public void onSelect(SelectEvent event) {
+				close();
+			}
+		});
+
+	}
+
+	protected void create() {
+		if (column.getTypeCode()
+				.compareTo(ColumnTypeCode.ANNOTATION.toString()) == 0
+				|| column.getTypeCode().compareTo(
+						ColumnTypeCode.ATTRIBUTE.toString()) == 0
+				|| column.getTypeCode().compareTo(
+						ColumnTypeCode.CODE.toString()) == 0
+				|| column.getTypeCode().compareTo(
+						ColumnTypeCode.CODEDESCRIPTION.toString()) == 0
+				|| column.getTypeCode().compareTo(
+						ColumnTypeCode.CODENAME.toString()) == 0
+				|| column.getTypeCode().compareTo(
+						ColumnTypeCode.MEASURE.toString()) == 0) {
+			replaceColumnByExpressionPanel = new ReplaceColumnByExpressionPanel(this, column,
+					eventBus);
+			add(replaceColumnByExpressionPanel);
+
+		} else {
+			HTML errorMessage = new HTML(
+					"This type of column is not supported for now!");
+			add(errorMessage);
+			UtilsGXT3.alert("Error",
+					"This type of column is not supported for now!");
+		}
+	}
+
+	public C_Expression getExpression() {
+		return exp;
+	}
+
+	protected void setExpression(C_Expression exp) {
+		Log.debug("New Expression set:" + exp.toString());
+		this.exp = exp;
+	}
+
+	protected void applyReplaceColumnByExpression(C_Expression exp, String replaceValue) {
+		this.exp = exp;
+		this.replaceValue=replaceValue;
+		callApplyReplaceByExpression();
+	}
+
+	protected void load(TRId trId, String columnName) {
+		TDGWTServiceAsync.INSTANCE.getColumn(trId, columnName,
+				new AsyncCallback<ColumnData>() {
+
+					public void onFailure(Throwable caught) {
+						Log.error("Error retrieving column: "
+								+ caught.getMessage());
+						UtilsGXT3.alert("Error retrieving column",
+								caught.getMessage());
+					}
+
+					public void onSuccess(ColumnData result) {
+						Log.debug("Retrived column: " + result);
+						if (result.isViewColumn()) {
+							UtilsGXT3
+									.info("View Column",
+											"You can not make expressions on view column for now");
+							hide();
+						} else {
+							column = result;
+							create();
+						}
+					}
+
+				});
+
+	}
+
+	protected void callApplyReplaceByExpression() {
+		replaceColumnByExpressionSession = new ReplaceColumnByExpressionSession(column, exp,replaceValue);
+		Log.debug(replaceColumnByExpressionSession.toString());
+
+		ExpressionServiceAsync.INSTANCE.startReplaceColumnByExpression(replaceColumnByExpressionSession,
+				new AsyncCallback<String>() {
+
+					@Override
+					public void onSuccess(String taskId) {
+						Log.debug("Submitted replace column by expression");
+						openMonitorDialog(taskId);
+
+					}
+
+					@Override
+					public void onFailure(Throwable caught) {
+						if (caught instanceof TDGWTSessionExpiredException) {
+							eventBus.fireEvent(new SessionExpiredEvent(
+									SessionExpiredType.EXPIREDONSERVER));
+						} else {
+							Log.error("Error submitting replace column by expression: "
+									+ caught.getLocalizedMessage());
+							caught.printStackTrace();
+							UtilsGXT3.alert(
+									"Error submitting replace column by expression",
+									caught.getLocalizedMessage());
+						}
+
+					}
+				});
+
+	}
+
+	protected void close() {
+		hide();
+	}
+
+	// /
+	protected void openMonitorDialog(String taskId) {
+		MonitorDialog monitorDialog = new MonitorDialog(taskId, eventBus);
+		monitorDialog.addProgressDialogListener(this);
+		monitorDialog.show();
+	}
+
+	@Override
+	public void operationComplete(TRId trId) {
+		ChangeTableWhy why = ChangeTableWhy.TABLEUPDATED;
+		ChangeTableRequestEvent changeTableRequestEvent = new ChangeTableRequestEvent(
+				ChangeTableRequestType.COLUMNFILTER, trId, why);
+		eventBus.fireEvent(changeTableRequestEvent);
+		close();
+	}
+
+	@Override
+	public void operationFailed(Throwable caught, String reason, String details) {
+		UtilsGXT3.alert(reason, details);
+		close();
+
+	}
+
+	@Override
+	public void operationStopped(TRId trId, String reason, String details) {
+		ChangeTableWhy why = ChangeTableWhy.TABLECURATION;
+		ChangeTableRequestEvent changeTableRequestEvent = new ChangeTableRequestEvent(
+				ChangeTableRequestType.COLUMNFILTER, trId, why);
+		eventBus.fireEvent(changeTableRequestEvent);
+		close();
+
+	}
+
+	@Override
+	public void operationAborted() {
+		close();
+
+	}
+
+	@Override
+	public void operationPutInBackground() {
+		close();
+
+	}
+
+}

src/main/java/org/gcube/portlets/user/td/expressionwidget/client/ReplaceColumnByExpressionPanel.java

@@ -0,0 +1,174 @@
+package org.gcube.portlets.user.td.expressionwidget.client;
+
+import org.gcube.portlets.user.td.expressionwidget.client.resources.ExpressionResources;
+import org.gcube.portlets.user.td.gwtservice.shared.tr.ColumnData;
+import org.gcube.portlets.user.td.widgetcommonevent.shared.expression.C_Expression;
+
+import com.allen_sauer.gwt.log.client.Log;
+import com.google.web.bindery.event.shared.EventBus;
+import com.sencha.gxt.cell.core.client.ButtonCell.IconAlign;
+import com.sencha.gxt.core.client.dom.ScrollSupport.ScrollMode;
+import com.sencha.gxt.core.client.util.Margins;
+import com.sencha.gxt.widget.core.client.FramedPanel;
+import com.sencha.gxt.widget.core.client.button.TextButton;
+import com.sencha.gxt.widget.core.client.container.BoxLayoutContainer.BoxLayoutData;
+import com.sencha.gxt.widget.core.client.container.BoxLayoutContainer.BoxLayoutPack;
+import com.sencha.gxt.widget.core.client.container.HBoxLayoutContainer;
+import com.sencha.gxt.widget.core.client.container.HBoxLayoutContainer.HBoxLayoutAlign;
+import com.sencha.gxt.widget.core.client.container.VerticalLayoutContainer;
+import com.sencha.gxt.widget.core.client.container.VerticalLayoutContainer.VerticalLayoutData;
+import com.sencha.gxt.widget.core.client.event.SelectEvent;
+import com.sencha.gxt.widget.core.client.event.SelectEvent.SelectHandler;
+import com.sencha.gxt.widget.core.client.form.FieldLabel;
+import com.sencha.gxt.widget.core.client.form.FieldSet;
+import com.sencha.gxt.widget.core.client.form.TextField;
+
+/**
+ * 
+ * @author "Giancarlo Panichi" <a
+ *         href="mailto:g.panichi@isti.cnr.it">g.panichi@isti.cnr.it</a>
+ * 
+ */
+public class ReplaceColumnByExpressionPanel extends FramedPanel {
+	protected static final String WIDTH = "648px";
+	protected static final String HEIGHT = "364px";
+	
+	protected static final String CONDITIONWIDTH = "612px";
+	protected static final String CONDITIONHEIGHT = "150px";
+	
+	protected EventBus eventBus;
+
+	protected ReplaceColumnByExpressionDialog parent;
+
+	protected ColumnData column;
+
+	private TextButton btnApply;
+	private TextButton btnClose;
+
+	private FieldSet conditionsFieldSet;
+	private ConditionWidget conditionWidget;
+	private TextField replaceValue;
+
+	public ReplaceColumnByExpressionPanel(
+			ReplaceColumnByExpressionDialog parent, ColumnData column,
+			EventBus eventBus) {
+		super();
+		this.parent = parent;
+		this.column = column;
+		this.eventBus = eventBus;
+		Log.debug(column.toString());
+		init();
+		create();
+	}
+
+	protected void init() {
+		setWidth(WIDTH);
+		setHeight(HEIGHT);
+		setBodyBorder(false);
+		setHeaderVisible(false);
+		// Important: fixed rendering of widgets
+		forceLayoutOnResize = true;
+
+	}
+
+	protected void create() {
+		VerticalLayoutContainer basicLayout = new VerticalLayoutContainer();
+		basicLayout.setAdjustForScroll(true);
+		basicLayout.setScrollMode(ScrollMode.AUTO);
+
+		HBoxLayoutContainer flowButton = new HBoxLayoutContainer();
+		flowButton.setHBoxLayoutAlign(HBoxLayoutAlign.MIDDLE);
+		flowButton.setPack(BoxLayoutPack.CENTER);
+
+		// Properties
+		FieldSet properties = new FieldSet();
+		properties.setHeadingText("Properties");
+		properties.setCollapsible(false);
+
+		VerticalLayoutContainer propertiesLayout = new VerticalLayoutContainer();
+		properties.add(propertiesLayout);
+
+		TextField columnName = new TextField();
+		columnName.setToolTip("Column");
+		columnName.setReadOnly(true);
+		columnName.setValue(column.getLabel());
+		propertiesLayout.add(new FieldLabel(columnName, "Column"),
+				new VerticalLayoutData(1, -1));
+
+		// Conditions
+		conditionsFieldSet = new FieldSet();
+		conditionsFieldSet.setHeadingText("Conditions");
+		conditionsFieldSet.setCollapsible(false);
+
+		conditionWidget = new ConditionWidget(column,CONDITIONWIDTH, CONDITIONHEIGHT);
+		Log.debug("ConditionWidget" + conditionWidget);
+		conditionsFieldSet.add(conditionWidget);
+
+		// Value
+		FieldSet replaceValueFieldSet = new FieldSet();
+		replaceValueFieldSet.setHeadingText("Replace Value");
+		replaceValueFieldSet.setCollapsible(false);
+
+		VerticalLayoutContainer replaceValueFieldSetLayout = new VerticalLayoutContainer();
+		replaceValueFieldSet.add(replaceValueFieldSetLayout);
+
+		replaceValue = new TextField();
+		replaceValue.setToolTip("Replace Value");
+		replaceValue.setValue("");
+		replaceValueFieldSetLayout.add(new FieldLabel(replaceValue,
+				"Replace Value"), new VerticalLayoutData(1, -1));
+		
+		
+		//
+		btnApply = new TextButton("Apply");
+		btnApply.setIcon(ExpressionResources.INSTANCE.columnReplaceByExpression());
+		btnApply.setIconAlign(IconAlign.RIGHT);
+		btnApply.setTitle("Apply replace by expression");
+		btnApply.addSelectHandler(new SelectHandler() {
+
+			public void onSelect(SelectEvent event) {
+				Log.debug("Pressed Apply");
+				applyReplaceColumnByExpression();
+
+			}
+		});
+
+		btnClose = new TextButton("Close");
+		btnClose.setIcon(ExpressionResources.INSTANCE.close());
+		btnClose.setIconAlign(IconAlign.RIGHT);
+		btnClose.setTitle("Close");
+		btnClose.addSelectHandler(new SelectHandler() {
+
+			public void onSelect(SelectEvent event) {
+				Log.debug("Pressed Close");
+				close();
+			}
+		});
+		flowButton.add(btnApply, new BoxLayoutData(new Margins(2, 4, 2, 4)));
+		flowButton.add(btnClose, new BoxLayoutData(new Margins(2, 4, 2, 4)));
+		
+		//Add to basic layout
+		basicLayout.add(properties, new VerticalLayoutData(-1, -1, new Margins(
+				1)));
+		basicLayout.add(conditionsFieldSet, new VerticalLayoutData(-1, -1,
+				new Margins(1)));
+		basicLayout.add(replaceValueFieldSet, new VerticalLayoutData(-1, -1, new Margins(
+				1)));
+		
+		basicLayout.add(flowButton, new VerticalLayoutData(-1, 36, new Margins(
+				5, 2, 5, 2)));
+		add(basicLayout);
+
+	}
+
+	protected void applyReplaceColumnByExpression() {
+		C_Expression exp = conditionWidget.getExpression();
+		String value = replaceValue.getCurrentValue();
+		parent.applyReplaceColumnByExpression(exp,value);
+
+	}
+
+	protected void close() {
+		parent.close();
+	}
+}

src/main/java/org/gcube/portlets/user/td/expressionwidget/client/resources/ExpressionResources.java

@@ -44,6 +44,12 @@ public interface  ExpressionResources extends ClientBundle {
 		@Source("column-filter-go.png")
 		ImageResource applyFilter();
 		
+		@Source("column-replace-by-expression_32.png")
+		ImageResource columnReplaceByExpression32();
+		
+		@Source("column-replace-by-expression.png")
+		ImageResource columnReplaceByExpression();
+		
 		
 		
 }

src/main/java/org/gcube/portlets/user/td/expressionwidget/client/rpc/ExpressionService.java

@@ -7,6 +7,7 @@ package org.gcube.portlets.user.td.expressionwidget.client.rpc;
 
 import org.gcube.portlets.user.td.gwtservice.shared.exception.TDGWTServiceException;
 import org.gcube.portlets.user.td.gwtservice.shared.tr.column.FilterColumnSession;
+import org.gcube.portlets.user.td.gwtservice.shared.tr.column.ReplaceColumnByExpressionSession;
 
 import com.google.gwt.user.client.rpc.RemoteService;
 import com.google.gwt.user.client.rpc.RemoteServiceRelativePath;
@@ -38,7 +39,9 @@ public interface ExpressionService extends RemoteService {
 	public String startFilterColumn(FilterColumnSession filterColumnSession) throws TDGWTServiceException;
 	
 	
-
+	public String startReplaceColumnByExpression(ReplaceColumnByExpressionSession replaceColumnByExpressionColumnSession) throws TDGWTServiceException;
+	
+	
 	
 
 }

src/main/java/org/gcube/portlets/user/td/expressionwidget/client/rpc/ExpressionServiceAsync.java

@@ -4,6 +4,7 @@
 package org.gcube.portlets.user.td.expressionwidget.client.rpc;
 
 import org.gcube.portlets.user.td.gwtservice.shared.tr.column.FilterColumnSession;
+import org.gcube.portlets.user.td.gwtservice.shared.tr.column.ReplaceColumnByExpressionSession;
 
 import com.google.gwt.core.client.GWT;
 import com.google.gwt.user.client.rpc.AsyncCallback;
@@ -22,5 +23,7 @@ public interface ExpressionServiceAsync {
 
 	void startFilterColumn(FilterColumnSession filterColumnSession,AsyncCallback<String> callback);
 	
+	void startReplaceColumnByExpression(ReplaceColumnByExpressionSession replaceColumnByExpressionSession,AsyncCallback<String> callback);
+	
 		
 }

src/main/java/org/gcube/portlets/user/td/expressionwidget/server/ExpressionServiceImpl.java

@@ -21,6 +21,7 @@ import org.gcube.portlets.user.td.gwtservice.server.TDGWTServiceImpl;
 import org.gcube.portlets.user.td.gwtservice.shared.exception.TDGWTServiceException;
 import org.gcube.portlets.user.td.gwtservice.shared.exception.TDGWTSessionExpiredException;
 import org.gcube.portlets.user.td.gwtservice.shared.tr.column.FilterColumnSession;
+import org.gcube.portlets.user.td.gwtservice.shared.tr.column.ReplaceColumnByExpressionSession;
 import org.gcube.portlets.user.td.widgetcommonevent.shared.TRId;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -79,113 +80,49 @@ public class ExpressionServiceImpl extends RemoteServiceServlet implements
 							+ e.getLocalizedMessage());
 		}
 	}
+	
+	/**
+	 * 
+	 * {@inheritDoc}
+	 */
+	@Override
+	public String startReplaceColumnByExpression(ReplaceColumnByExpressionSession replaceColumnByExpressionSession)
+			throws TDGWTServiceException {
+
+		try {
+			logger.debug("ExpressionService submitReplaceColumnByExpression");
+			HttpSession session = this.getThreadLocalRequest().getSession();
+			logger.debug("Session: "+session);
+			
+			if(replaceColumnByExpressionSession==null){
+				logger.error("ReplaceColumnByExpressionSession is null");
+				new ExpressionServiceException("ReplaceColumnByExpressionSession is null");
+			}
+			ExpressionSession.setReplaceColumnByExpressionSession(session, replaceColumnByExpressionSession);
+			
+			C_ExpressionParser parser=new C_ExpressionParser();
+			Expression expression=parser.parse(replaceColumnByExpressionSession.getCexpression());
+			logger.debug("Service Expression:"+expression);
+			
+			
+			TDGWTServiceImpl gwtService = new TDGWTServiceImpl();
+			
+			String taskId= gwtService.startReplaceColumnByExpression(replaceColumnByExpressionSession, expression, session);
+			
+			return taskId;
+		
+		} catch (TDGWTSessionExpiredException e){
+			throw e;
+		} catch (Throwable e) {
+			e.printStackTrace();
+			throw new TDGWTServiceException(
+					"Error in startReplaceColumnByExpression:"
+							+ e.getLocalizedMessage());
+		}
+	}
+	
+	
 
-//	/**
-//	 * {@inheritDoc}
-//	 */
-//	public ColumnFilterMonitor getColumnFilterMonitor()
-//			throws ExpressionServiceException {
-//		try {
-//			HttpSession session = this.getThreadLocalRequest().getSession();
-//			FilterColumnSession columnFilterSession = ExpressionSession
-//					.getColumnFilterSession(session);
-//
-//			Task task = ExpressionSession.getColumnFilterTask(session);
-//			ColumnFilterMonitor columnFilterMonitor = new ColumnFilterMonitor();
-//
-//			if (task == null) {
-//				logger.debug("Task null");
-//				throw new ExpressionServiceException(
-//						"Error in ColumnFilter task null");
-//			} else {
-//				TaskStatus status = task.getStatus();
-//				if (status == null) {
-//					logger.debug("Services TaskStatus : null");
-//					throw new ExpressionServiceException(
-//							"Error in ColumnFilter Status null");
-//				} else {
-//					logger.debug("Services TaskStatus: " + task.getStatus());
-//
-//					columnFilterMonitor.setStatus(TaskStateMap.map(task
-//							.getStatus()));
-//					switch (columnFilterMonitor.getStatus()) {
-//					case FAILED:
-//						if (task.getResult() != null) {
-//							logger.debug("Task exception:"
-//									+ task.getErrorCause());
-//							task.getErrorCause().printStackTrace();
-//							columnFilterMonitor.setError(new Throwable(task
-//									.getErrorCause()));
-//						} else {
-//							logger.debug("Task exception: Error In Column Filter");
-//							columnFilterMonitor.setError(new Throwable(
-//									"Error In Column Filter"));
-//						}
-//						columnFilterMonitor.setProgress(task.getProgress());
-//						break;
-//					case SUCCEDED:
-//						logger.debug("Task Result:" + task.getResult());
-//						columnFilterMonitor.setProgress(task.getProgress());
-//						Table table = task.getResult().getPrimaryTable();
-//						logger.debug("Table retrived: " + table.toString());
-//						TRId trId = new TRId();
-//						trId.setId(columnFilterSession.getColumn().getTrId()
-//								.getId());
-//						
-//						trId = retrieveTabularResourceBasicData(trId);
-//						
-//						columnFilterMonitor.setTrId(trId);
-//						TabResource tabResource = SessionUtil
-//								.getTabResource(session);
-//						tabResource.setTrId(trId);
-//						SessionUtil.setTabResource(session, tabResource);
-//						SessionUtil.setTRId(session, trId);
-//						break;
-//					case IN_PROGRESS:
-//						columnFilterMonitor.setProgress(task.getProgress());
-//						break;
-//					case VALIDATING_RULES:
-//						columnFilterMonitor.setProgress(task.getProgress());
-//						break;
-//					case GENERATING_VIEW:
-//						break;	
-//					case ABORTED:
-//						break;
-//					case STOPPED:
-//						logger.debug("Task Result:" + task.getResult());
-//						columnFilterMonitor.setProgress(task.getProgress());
-//						trId = new TRId();
-//						trId.setId(columnFilterSession.getColumn().getTrId()
-//								.getId());
-//						trId = retrieveTabularResourceBasicData(trId);
-//
-//						columnFilterMonitor.setTrId(trId);
-//						tabResource = SessionUtil.getTabResource(session);
-//						tabResource.setTrId(trId);
-//						SessionUtil.setTabResource(session, tabResource);
-//						SessionUtil.setTRId(session, trId);
-//						break;
-//					case INITIALIZING:
-//						break;
-//					default:
-//						break;
-//					}
-//				}
-//				ExpressionSession.setColumnFilterTask(session, task);
-//			}
-//
-//			logger.info("ColumnFilterMonitor(): " + columnFilterMonitor);
-//			return columnFilterMonitor;
-//		} catch (TDGWTSessionExpiredException e){
-//			throw new ExpressionServiceException(e.getLocalizedMessage());
-//		} catch (Throwable e) {
-//			e.printStackTrace();
-//			throw new ExpressionServiceException(
-//					"Error applying column filter: " + e.getLocalizedMessage());
-//
-//		}
-//
-//	}
 	
 	
 	/**

src/main/java/org/gcube/portlets/user/td/expressionwidget/server/ExpressionSession.java

@@ -7,6 +7,7 @@ import javax.servlet.http.HttpSession;
 
 import org.gcube.data.analysis.tabulardata.service.operation.Task;
 import org.gcube.portlets.user.td.gwtservice.shared.tr.column.FilterColumnSession;
+import org.gcube.portlets.user.td.gwtservice.shared.tr.column.ReplaceColumnByExpressionSession;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -22,6 +23,7 @@ public class ExpressionSession {
 	protected static final String COLUMN_FILTER_SESSION = "COLUMN_FILTER_SESSION";
 	protected static final String COLUMN_FILTER_SESSION_TASK = "COLUMN_FILTER_SESSION_TASK";
 	
+	protected static final String REPLACE_COLUMN_BY_EXPRESSION_SESSION = "REPLACE_COLUMN_BY_EXPRESSION_SESSION";
 	
 	protected static Logger logger = LoggerFactory.getLogger(ExpressionSession.class);
 
@@ -51,6 +53,33 @@ public class ExpressionSession {
 				columnFilterSession);
 
 	}
+	
+	public static ReplaceColumnByExpressionSession getReplaceColumnByExpressionSession(
+			HttpSession httpSession) {
+		ReplaceColumnByExpressionSession replaceColumnByExpressionSession = (ReplaceColumnByExpressionSession) httpSession
+				.getAttribute(REPLACE_COLUMN_BY_EXPRESSION_SESSION);
+		if (replaceColumnByExpressionSession != null) {
+			return replaceColumnByExpressionSession;
+		} else {
+			replaceColumnByExpressionSession = new ReplaceColumnByExpressionSession();
+			httpSession.setAttribute(REPLACE_COLUMN_BY_EXPRESSION_SESSION,
+					replaceColumnByExpressionSession);
+			return replaceColumnByExpressionSession;
+		}
+	}
+
+	public static void setReplaceColumnByExpressionSession(HttpSession httpSession,
+			ReplaceColumnByExpressionSession replaceColumnByExpressionSession) {
+		ReplaceColumnByExpressionSession rce = (ReplaceColumnByExpressionSession) httpSession
+				.getAttribute(REPLACE_COLUMN_BY_EXPRESSION_SESSION);
+		if (rce != null) {
+			httpSession.removeAttribute(REPLACE_COLUMN_BY_EXPRESSION_SESSION);
+		}
+		httpSession.setAttribute(REPLACE_COLUMN_BY_EXPRESSION_SESSION,
+				replaceColumnByExpressionSession);
+
+	}
+	
 
 	
 

src/main/java/org/gcube/portlets/user/td/expressionwidget/shared/Constants.java

@@ -8,10 +8,10 @@ package org.gcube.portlets.user.td.expressionwidget.shared;
  */
 public class Constants {
 
-	public final static String VERSION = "1.0.0";		
+	public final static String VERSION = "2.4.0";
-	public final static String DEFAULT_USER = "giancarlo.panichi";
+	public final static String DEFAULT_USER = "test.user";
-	public final static String DEFAULT_SCOPE = "/gcube/devsec";
+	public final static String DEFAULT_SCOPE = "/gcube/devsec/devVRE";
-
+	
 	public static final String PARAMETER_ENCODING = "encoding";
 	public static final String PARAMETER_HASHEADER = "hasHeader";
 	public static final String PARAMETER_SEPARATOR = "separator";

src/main/resources/org/gcube/portlets/user/td/expressionwidget/ExpressionWidget.gwt.xml

@@ -23,7 +23,7 @@
  
   
   <!-- Specify the app entry point class.                         -->
-  <!-- <entry-point class='org.gcube.portlets.user.td.expressionwidget.client.ExpressionWidgetEntry' /> -->
+  <!-- <entry-point class='org.gcube.portlets.user.td.expressionwidget.client.ExpressionWidgetEntry' />  -->
 
   <!-- Specify the paths for translatable code                    -->
   <source path='client' />